linux-kernel - Re: [GIT PULL] scheduler changes for v4.3

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Message-ID: <20150901085039.GC421@x4>
Date:	Tue, 1 Sep 2015 10:50:39 +0200
From:	Markus Trippelsdorf <markus@...ppelsdorf.de>
To:	Ingo Molnar <mingo@...nel.org>
Cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Peter Zijlstra <a.p.zijlstra@...llo.nl>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Galbraith <efault@....de>
Subject: Re: [GIT PULL] scheduler changes for v4.3

On 2015.09.01 at 10:38 +0200, Ingo Molnar wrote:
> The one you posted cannot possibly build, because access to __stop_machine() is 
> gone from cpu.c:
> 
> kernel/cpu.c: In function ‘_cpu_down’:
> kernel/cpu.c:404:2: error: implicit declaration of function ‘__stop_machine’ [-Werror=implicit-function-declaration]
>   err = __stop_machine(take_cpu_down, &tcd_param, cpumask_of(cpu));

Just to clear this up: It did build on my machine because it wasn't
compiled at all (CONFIG_HOTPLUG_CPU is not set).

-- 
Markus
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